Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

question 15

Multiple Choice

Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative Inverse of a Square Matrix
- $$A = \left[ \begin{array} { r r r } 1 & 0 & 0 \\- 5 & 1 & 0 \\0 & 2 & 1\end{array} \right]$$

• A)
• \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ 5 & 1 & 0 \\ - 10 & - 2 & 1 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ - 5 & 1 & 0 \\ 0 & 0 & 2 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r r } 1 & 2 & 10 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ 2 & - 1 & 0 \\ 10 & - 5 & 1 \end{array} \right]\)

---

Definitions:

Economic Theory

A set of principles and methodologies that economists use to analyze and predict patterns within the economy.

Normative Values

Normative Values refer to beliefs or value judgments about what is good or desirable, influencing individual or societal standards of behavior.

Economic Decision Maker

An individual or entity that makes choices regarding the allocation of resources and the distribution of goods and services in an economy.

Economic Models

Simplified representations of reality used to analyze and predict economic phenomena.